ISO | Workpiece Material Group | Material Designation | Material Condition | Cutting Speed Recommendations (Vc) | HBHRC |
P | 1 | Non-alloy steel and cast steel, free cutting steel <0.25%C. | Annealed | 210-220 m/min | 125 HB |
P | 2 | Non-alloy steel and cast steel, free cutting steel >=0.25%C. | Annealed | 160-180 m/min | 190 HB |
P | 3 | Non-alloy steel and cast steel, free cutting steel <0.55%C. | Quench and tempered. | 130-180 m/min | 250 HB |
P | 4 | Non-alloy steel and cast steel, free cutting steel >=0.55%C. | Annealed | 130-180 m/min | 220 HB |
P | 5 | Non-alloy steel and cast steel, free cutting steel >=0.55%C. | Quenched & tempered. | 110-140 m/min | 300 HB |
P | 6 | Low alloy & cast steel (less than 5% of alloying elements). | Annealed | 130-180 m/min | 200 HB |
P | 7 | Low alloy & cast steel (less than 5% of alloying elements). | Quenched & tempered | 100-140 m/min | 275 HB |
P | 8 | Low alloy & cast steel (less than 5% of alloying elements). | Quenched & tempered | 100-140 m/min | 300 HB |
P | 9 | Low alloy & cast steel (less than 5% of alloying elements). | Quenched & tempered | 110-140 m/min | 350 HB |
P | 10 | High alloyed steel, cast steel and tool steel. | Annealed | 100-140 m/min | 200 HB |
P | 11 | High alloyed steel, cast steel and tool steel. | Quenched & tempered | 60-100 m/min | 325 HB |
M | 12 | Stainless steel and cast steel. | Ferritic/martensitic | 60-130 m/min | 200 HB |
M | 13 | Stainless steel and cast steel. | Martensitic | 50-120 m/min | 240 HB |
M | 14 | Stainless steel and cast steel. | Austenitic | 50-100 m/min | 180 HB |
K | 15 | Grey cast iron (GG) | Pearlitic/ferritic | 60-210 m/min | 180 HB |
K | 16 | Grey cast iron (GG) | Pearlitic/martensiti | 100-190 m/min | 260 HB |
K | 17 | Nodular cast iron (GGG) | Ferritic | 120-220 m/min | 160 HB |
K | 18 | Nodular cast iron (GGG) | Pearlitic | 70-220 m/min | 250 HB |
K | 19 | Malleable cast iron. | Ferritic | 120-220 m/min | 130 HB |
K | 20 | Malleable cast iron. | Pearlitic | 110-190 m/min | 230 HB |
S | 31 | High temp. alloys Fe based. | Annealed | 20-30 m/min | 200 HB |
S | 32 | High temp. alloys Fe based. | Cured | 20-30 m/min | 280 HB |
S | 33 | High temp. alloys. Ni or Co based. | Annealed | 20-30 m/min | 250 HB |
S | 34 | High temp. alloys. Ni or Co based. | Cured | 20-30 m/min | 350 HB |
S | 35 | High temp. alloys. Ni or Co based. | Castr | 20-60 m/min | 320 HB |
S | 36 | Titanium Ti alloys. | | 20-60 m/min | 310 HB |
S | 37 | Titanium Ti alloys. | Alpha+beta alloys cu | 20-60 m/min | 310 HB |